Thermodynamics - Mechanical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

-140 kJ

-80 kJ

-40 kJ

+60 kJ

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

The atomic mass of an element is the number of times the atom of that element is heavier than the hydrogen atom.

True

False

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

The mass of carbon per kg of flue gas is given by

\(\frac { 11 } { 3 } CO_2 + \frac{3}{7} CO\)

\(\frac{3}{7}CO_2 + \frac { 11 } { 3 } CO\)

\(\frac { 7 } { 3 } CO_2 + \frac{3}{11} CO \)

\( \frac{3}{11}CO_2 + \frac { 7 } { 3 } CO \)

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

A cycle consisting of two isothermal and two isentropic processes, is known as

Carnot cycle

Stirling cycle

Ericsson cycle

Joule cycle